70344426 has 16 divisors (see below), whose sum is σ = 141055200. Its totient is φ = 23387088.

The previous prime is 70344389. The next prime is 70344433. The reversal of 70344426 is 62444307.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70344393 and 70344402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12736 + ... + 17403.

It is an arithmetic number, because the mean of its divisors is an integer number (8815950).

Almost surely, 2^70344426 is an apocalyptic number.

70344426 is an abundant number, since it is smaller than the sum of its proper divisors (70710774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70344426 is a wasteful number, since it uses less digits than its factorization.

70344426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30533.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 70344426 is about 8387.1583984088. The cubic root of 70344426 is about 412.8033661878.

The spelling of 70344426 in words is "seventy million, three hundred forty-four thousand, four hundred twenty-six".